College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 5 - Work and Energy - Learning Path Questions and Exercises - Conceptual Questions - Page 173: 11


Kinetic energies of both Car A and Car B are same.

Work Step by Step

$v_{B}=2v_{A}$ $m_{A}=4m_{B}$ Kinetic energy of Car A =$\frac{1}{2}m_{A}v_{A}^{2}=\frac{1}{2}\times4m_{B}\times\frac{1}{4}v_{B}^{2}=\frac{1}{2}m_{B}v_{B}^{2}$=Kinetic energy of Car B
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